I. Introduction
Incubator is extremely important equipment for a premature baby as the baby needs a special care to provide the best possible chance of survival and a healthy future. The babies are mostly very small and are nursed in an incubator to keep them warm. Mechanical Engineering Department of Universitas Indonesia has designed and produced a very silent incubator. In distributing the units, the department proposes a humanitarian program that means to lend incubator freely especially for the families under poverty line all across Indonesia. In the remote area, unfortunately electricity is still a luxury community to obtain meaning that not all people can get an electric line. Anyhow, in the developing provinces electricity is still not always available any time.